Enrollment:You will be automatically enrolled on Jan. 1, 2018 if you already have a plan or are eligible for TRICARE on Dec. 31, 2017. After Jan. 1, 2018, you must enroll in a TRICARE plan to get or change coverage.

Regions and Contracts:The North and South regions will become the new East Region. The West region will remain the same but your regional contractors may change.